Pith Number

pith:N5E75OQZ

pith:2018:N5E75OQZEK2V64DKLUHMBVUUJY

not attested not anchored not stored refs pending

Dirac R-matrix calculations for the electron-impact excitation of neutral tungsten providing noninvasive diagnostics for magnetic confinement fusion

C. A. Johnson, C. A. Ramsbottom, C. P. Ballance, D. A. Ennis, R. T. Smyth, S. D. Loch

arxiv:1805.02757 v1 · 2018-05-07 · physics.atom-ph · physics.plasm-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5E75OQZEK2V64DKLUHMBVUUJY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:16:35.776606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f49feba1922b55f706a5d0ec0d6944e17ecf622d66baf77cb97989d03764203

Aliases

arxiv: 1805.02757 · arxiv_version: 1805.02757v1 · doi: 10.48550/arxiv.1805.02757 · pith_short_12: N5E75OQZEK2V · pith_short_16: N5E75OQZEK2V64DK · pith_short_8: N5E75OQZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/N5E75OQZEK2V64DKLUHMBVUUJY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6f49feba1922b55f706a5d0ec0d6944e17ecf622d66baf77cb97989d03764203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a154e230af43be070a0748171c3742de991e5f9e455539b8ab05b10d7ae67501",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-05-07T21:42:45Z",
    "title_canon_sha256": "aa0bb8d63cc6e8c9f93c66d1dc9292742e14d5157f9cb423ad577692ada88259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02757",
    "kind": "arxiv",
    "version": 1
  }
}